US Census Data

ZIP 51431 vs ZIP 51440

A side-by-side comparison of ZIP Code 51431 and ZIP Code 51440: population, income, housing, and more.

ZIP 51431 and ZIP 51440 are ZIP Code areas in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 51431 has the higher population (473 vs 335 in ZIP 51440). ZIP 51440 has the higher median household income ($65,625 vs $54,333 in ZIP 51431). ZIP 51440 has the higher median home value ($156,300 vs $83,300 in ZIP 51431).

Population, income & housing

ZIP 51431ZIP 51440
Population473335
Median age38.7 yrs35.4 yrs
Median household income$54,333$65,625
Median home value$83,300$156,300
Median gross rent$630
Housing units211121
Homeownership rate68.6%94.2%
Bachelor's degree or higher14.1%18.5%
Unemployment rate0.4%1.1%

Trends (ACS 5-year, 2019–2023)

ZIP 51431ZIP 51440
Population426 → 473 (+11.0%)322 → 335 (+4.0%)
Median household income$46,250 → $54,333 (+17.5%)$56,250 → $65,625 (+16.7%)
Median home value$80,000 → $83,300 (+4.1%)$107,900 → $156,300 (+44.9%)
Median gross rent$575 → $630 (+9.6%)

ZIP 51431

Population
426473
Median household income
$46,250$54,333
Median home value
$80,000$83,300
Median gross rent
$575$630

ZIP 51440

Population
322335
Median household income
$56,250$65,625
Median home value
$107,900$156,300

Age & race/ethnicity

Age distribution (share)

ZIP 51431ZIP 51440
Under 510.1%4.5%
5 to 1710.8%24.5%
18 to 2417.5%11.3%
25 to 348.0%9.3%
35 to 449.1%14.0%
45 to 544.4%6.9%
55 to 6415.6%16.1%
65 to 7417.5%5.4%
75 and over6.8%8.1%

Race & ethnicity (share)

ZIP 51431ZIP 51440
White (non-Hispanic)85.6%99.4%
Black or African American0.0%0.0%
American Indian & Alaska Native0.8%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races6.6%0.0%
Hispanic or Latino7.0%0.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 51431ZIP 51440
No high school diploma4.8%3.0%
High school graduate54.3%46.0%
Some college or associate's26.8%32.5%
Bachelor's degree11.7%12.0%
Graduate or professional degree2.4%6.5%

Commute to work

How workers get to work (share)

ZIP 51431ZIP 51440
Drove alone85.8%74.3%
Carpooled4.3%13.7%
Public transit0.0%3.4%
Walked3.2%1.1%
Bicycle0.0%0.0%
Worked from home6.7%5.7%
Other means0.0%1.7%

Housing

Units in structure (share)

ZIP 51431ZIP 51440
1-unit, detached76.8%98.3%
1-unit, attached1.4%0.0%
2 to 4 units1.9%0.0%
5 to 19 units17.1%0.0%
20 or more units0.0%0.0%
Mobile home & other2.8%1.7%

Poverty & households

ZIP 51431ZIP 51440
Poverty rate10.9%14.3%
Average household size2.322.77
Mean commute (minutes)2020
Median year structure built19541965

Full profiles

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ZIP 51431 vs ZIP 51440: Compare Population & Demographics | US Census Data